Company Performance: Financial health, revenue growth, profitability, and future prospects heavily influence investor confidence.

Industry Trends: Developments in the semiconductor industry, including technological advancements and market demand, impact the stock.

Overall Market Sentiment: Broader economic conditions, investor optimism or pessimism, and global events affect trading activity.

Competitor Activity: Actions of rival companies, such as new product launches or market share gains, can sway investor perception.

Regulatory Changes: Government policies, trade regulations, and environmental standards in Taiwan and globally impact operations.

Investor Sentiment: News related to the company, analysts' ratings, and overall market confidence influence buying/selling pressure.

Global Economy: Worldwide economic health, especially in key markets for semiconductor products, affects demand and revenue.

Technological Innovation: Ability to innovate and adapt to new technologies in the semiconductor field is crucial for long-term success.